sol2-64.h

这是leon3处理器的交叉编译链

/* Definitions of target machine for GCC, for bi-arch SPARC
   running Solaris 2, defaulting to 64-bit code generation.  */

#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
  (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ + \
   MASK_STACK_BIAS + MASK_FPU + MASK_LONG_DOUBLE_128)

/* Target OS builtins.  */
#undef TARGET_SUB_OS_CPP_BUILTINS
#define TARGET_SUB_OS_CPP_BUILTINS()		\
  do						\
    {						\
	builtin_define_std ("sparc");		\
    }						\
  while (0)